199805002 has 8 divisors (see below), whose sum is σ = 312738336. Its totient is φ = 95558892.

The previous prime is 199804993. The next prime is 199805003. The reversal of 199805002 is 200508991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (199805003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171748 + ... + 2171839.

It is an arithmetic number, because the mean of its divisors is an integer number (39092292).

Almost surely, 2^199805002 is an apocalyptic number.

199805002 is a deficient number, since it is larger than the sum of its proper divisors (112933334).

199805002 is a wasteful number, since it uses less digits than its factorization.

199805002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343612.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 199805002 is about 14135.2397220564. The cubic root of 199805002 is about 584.6134266368.

The spelling of 199805002 in words is "one hundred ninety-nine million, eight hundred five thousand, two".